.bg-gray {
    background: #ebebeb;
  }
  .content {
    width: 100%;
    padding: 10px;
    top: 0;
  }
  input {
    border: none;
    outline: none;
  }
  .content-box {
    padding: 5px;
    background: #f7f8fa;
  }
  .content-box .input-box {
    flex: 1;
    background: #f7f8fa;
  }
  .content-box .input-box input {
    width: 100%;
    font-size: 14px;
    background: #f7f8fa;
  }
  .van-tree-select {
    margin-top: 50px;
    height: 100%;
  }
  .van-tree-select .select-nav {
    flex: 1;
    background: #f5f5f5;
    overflow-y: auto;
  }
  .nav-list {
    padding: 12px 12px 10px 12px ;
    display: block;
    box-sizing: border-box;
    border-left: 3px solid transparent;
    text-decoration: none;
  }
  .nav-list div {
    font-size: 14px ;
    color: #323233;
    font-weight: 500;
    line-height: 20px;
    flex: 1;
    padding-right: 28px;
  }
  .nav-listone {
    background: #fff;
  }
  .nav-list:focus {
    background: #fff;
  }
  .select-right {
    min-height: 100vh;
    overflow-y: auto;
    flex: 2;
    background-color: #fff;
  }
  .select-right .fww {
    flex-wrap: wrap;
    padding-bottom: 55px;
    padding: 0 15px;
  }
  .select-right .fww li {
    width: 100px;
  }
  .select-right .fww li img {
    width: 90px;
  }
  .footer {
    border-top: 1px solid #ebebeb;
    height: 50px;
    position: fixed;
    width: 100%;
    bottom: 0;
  }
  .footer li > a {
    color: #797d82;
  }
  .footer .f18 {
    font-size: 18px;
  }
  .footer li:nth-child(2) > a {
    color: #c03131;
  }
  .footer .f20 {
    font-size: 20px;
  }
  
  .nav-listone {
      border-left: 3px solid #c03131;;
      background-color: #eee;
  }